Exterior surface of an electrical socket boot



FIG. 1 is a rear perspective view of an exterior surface of an electrical socket boot showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a top plan view thereof.

The even-broken line in the figure drawings is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for an exterior surface of an electrical socket boot, as shown and described. 